diff --git a/debian/control b/debian/control
index b84a4f0..780354a 100644
--- a/debian/control
+++ b/debian/control
@@ -10,6 +10,7 @@ Build-Depends:
  libcmocka-dev <!nocheck>,
  libpcre2-dev,
  pkgconf,
+ tcl-expect <!nocheck>,
  tclsh <!nocheck>,
 Rules-Requires-Root: no
 Standards-Version: 4.7.0